FIX: Debug building works now without clang-tidy installed.

CMakeLists.txt

@@ -252,15 +252,15 @@ endfunction()
 
 
 option(LINTING "Enable linting with clang-tidy and iwyu when in non-Debug build-type" OFF)
-if("${CMAKE_BUILD_TYPE}" MATCHES "Debug" OR LINTING)
+if (clang_tidy AND ("${CMAKE_BUILD_TYPE}" MATCHES "Debug" OR LINTING))
     set(_LINTING ON)
 endif()
 option(SKIP_LINTING "Skip linting even when in Debug build-type" OFF)
-if("${CMAKE_BUILD_TYPE}" MATCHES "Debug" AND SKIP_LINTING)
+if ("${CMAKE_BUILD_TYPE}" MATCHES "Debug" AND SKIP_LINTING)
     message(WARNING "Skipping linting due to SKIP_LINTING option")
     set(_LINTING OFF)
 endif()
-if(_LINTING)
+if (_LINTING)
 
     ### set paranoid compiler flags
     add_compiler_flag("-Wall")

cmake/CodeCoverage.cmake

@@ -145,7 +145,7 @@ endif()
 find_library(covlib NAMES gcov lcov)
 message(STATUS "covlib: >${covlib}<")
 if (${covlib} STREQUAL "covlib-NOTFOUND")
-  message(Warning "lcov or gcov libraries not found, skipping code coverage.")
+  message(STATUS "lcov or gcov libraries not found, skipping code coverage.")
   return()
 endif()